The invention discloses black-snake beautifying oral liquid which is prepared from the slaughtered and eviscerated fresh zaocys dhumnades and traditional Chinese medicines such as reed rhizome, flavescent sophora root, figwort, honeysuckle flower, fructus cannabis, semen pruni, tetrandra root, hawthorn, pilose asiabell root, astragalus root, eucommia bark, angelica, wolferry fruit, crystal sugar and water. The black-snake beautifying oral liquid contains high protein, rich polypeptide and mineral elements for supplying essential nutrition for human body so as to promote and improve microcirculation, regulate gastrointestinal function, discharge toxin in human body timely and enhance immunity of human body. The black-snake beautifying oral liquid has functions of refreshing, keeping red lips and white teeth as well as graceful carriage, improving eyesight like bright star, strengthening voice and body, blackening hair and removing freckles, avoiding constipation and cold, promoting growth and development of teenagers, postponing epiphysial closure and prolonging growth cycle.